Re: [Nolug] Quick question on clustering...

Yep, that's kinda what I thought i.e. the big database backend.

On Wed, 2003-03-26 at 12:15, Ron Johnson wrote:
> On Wed, 2003-03-26 at 11:02, Craig Jackson wrote:
> > But maybe the answer isn't so quick ;)
> >
> > How is it that web servers can be clustered?
>
> Others correct me if I'm wrong, but, typically, there is 1 computer that
> faces the Internet and is a "re-director". It distributes the http
> requests across multiple web server boxes.
>
> > How are the databases kept in sync?
>
> It depends. If it's a news site, then the databases are 99.999% read,
> and the administrator can easily put the same new articles on a MySQL
> database on each machine.
> For user-updatable databases (like slashdot, kuroshin, etc), as far as
> I know, you either get a single honking big back-end database server to
> run PostgreSQL or MySQL, or pony up the big bucks for Oracle RAC.

-- 
Craig Jackson
Wildnet Group L.L.C.
103 North Park, Suite 110
Covington, Louisiana 70433
985 875 9453
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